Home / 21,265.05-31,897.59-9,564.60

Finding the Fourth Proportional to 21,265.05, 31,897.59 and 9,564.60

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Solution

The fourth proportional to 21,265.05, 31,897.59 and 9,564.60 is: 14,346.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,265.05 : 31,897.59 = 9,564.60 : x
  2. Step 2: Convert to fraction form
    21,265.05/31,897.59 = 9,564.60/x
  3. Step 3: Cross multiply
    21,265.05x = 31,897.59 × 9,564.60
  4. Step 4: Simplify right side
    21,265.05x = 305,087,689.31
  5. Step 5: Solve for x
    x = 305,087,689.31/21,265.05
  6. Step 6: Final answer
    x = 14,346.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.